extends Node

var currentversion = 00
var status = 0
var downloaded_bytes = 0
var body_size = 0
var dowload = true

export var versionfile = 'https://galodev.net/download/version.txt'
export var pckfile = 'https://galodev.net/download/Ghost%20Hand.pck'

func _ready():
	if ResourceLoader.exists('user://patches/currentversion.tres'):
		var loader = load("user://patches/currentversion.tres")
		currentversion = loader.data[0]['version']
		print(currentversion)
	var directory = Directory.new()
	if directory.dir_exists("user://patches"):
		pass
	else:
		directory.make_dir("user://patches")
	$HTTPRequest2.request(versionfile)
	
	print('gen bat file')
	var save_game = File.new()
	save_game.open("res://run.bat", File.WRITE)
	save_game.store_line('pushd %~dp0')
	save_game.store_line('gamelauncher.exe --main-pack GhostHand.pck')
	save_game.store_line('popd')
	save_game.close()

func dowloadupdate():
	print('dowloading patch')
	$HTTPRequest.set_download_file('res://GhostHand.pck')
	$HTTPRequest.request(pckfile)

func _on_HTTPRequest_request_completed(result, response_code, headers, body):
	if response_code == 200:
		set_process(false)
		$Label.text = 'your dowload just finished'
		$Button.set_disabled(false)
		$ProgressBar.value = 100
		dowload = true
	else:
		server_connect_fail()

func server_connect_fail():
	$Label.text = 'server connection failure!'
	print('failed to connect to server')

func _on_HTTPRequest2_request_completed(result, response_code, headers, body):
	if response_code == 200:
		var data = JSON.parse(body.get_string_from_ascii())
		var dataprocess = data.result
		print(body.get_string_from_ascii())
		print(dataprocess)
		body_size = dataprocess['size']
		$RichTextLabel.text = dataprocess['changelog']
		var dict = Directory.new()
		if dataprocess['version'] > currentversion:
			dowloadupdate()
			dowload = false
			var data2 = load("res://dataresource.gd").new()
			data2.data = [dataprocess]
			ResourceSaver.save('user://patches/currentversion.tres', data2)
		else:
			print('no version to dowload')
			$Label.text = 'you are on the most recent version!!!'
			$Button.set_disabled(false)
	else:
		server_connect_fail()
		$Label.text = 'server connection failure!'
	pass # Replace with function body.

func force_update():
	$Button.set_disabled(true)
	dowloadupdate()
	dowload = false

var buffer = 0.0
var buffertext = ''

var bufferdowloadspeeds = []

func _physics_process(delta):
	status = $HTTPRequest.get_http_client_status()
	downloaded_bytes = $HTTPRequest.get_downloaded_bytes()
	if not dowload:
		$Label.text = 'dowloading '+String.humanize_size(downloaded_bytes) +' of '+String.humanize_size(body_size)
		bufferdowloadspeeds.append(float(downloaded_bytes-buffer))
		var sum = 0
		if bufferdowloadspeeds.size() > 1000:
			bufferdowloadspeeds.remove(0)
		for i in bufferdowloadspeeds:
			sum += i
		buffertext = '\n' + ' at speed ' + String.humanize_size(sum/ bufferdowloadspeeds.size()/delta) + '/s'
		$Label.text += buffertext
		buffer = downloaded_bytes
		$ProgressBar.value = downloaded_bytes*100/body_size